Can We Avoid Global Catastrophe As The World's Population Heads To 10 Billion? (Tom Ashbrook, On Point)

Earth’s population is expected to hit 10 billion people by 2050. Can we avoid a global catastrophe? We'll talk to Charles C. Mann, the author of "1491" and "1493" and the new book "The Wizard and the Prophet" about two scientists with different ideas about our future.
Interview:
http://www.wbur.org/onpoint/2018/01/24/can-we-avoid-catastrophe